Peripherals 6
miriac SBC-LS1046A-TSN_User Manual
V 2.0
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© MicroSys Electronics GmbH 20178
6.6
MicroSD Card Slot
The SBC-LS1046A-TSN system offers a microSD Card slot.
The microSD card can also be configured as a boot device.
Part Reference:
ST1
Manufacturer:
Yamaichi
Type:
PJS-008-2130-0
Used with:
microSD cards
The following table shows the connections of the microSD card slot:
I/O
Range
ST1
ST4
LS1046A
Pin
Name
Pin
Signal
Pin
Name
LVTTL
1
DAT2
↔
B96
SDC-D2
↔
R1
SDHC_DAT2
LVTTL
2
CD/DAT3
↔
B95
SDC-D3
↔
T1
SDHC_DAT3
LVTTL
3
CMD
↔
B99
SDC-CMD
↔
P2
SDHC_CMD
4
Vdd
LVTTL
5
CLK
←
B100
SDC-CLK
←
P3
SDHC_CLK
6
Vss
LVTTL
7
DAT0
↔
B98
SDC-D0
↔
P1
SDHC_DAT0
LVTTL
8
DAT1
↔
B97
SDC-D1
↔
R2
SDHC_DAT1
LVTTL
9
SW1
→
B90
SDC-CD#
LVTTL
10
SW2
→
B89
SDC-WP
Table 6-17 microSD card slot pin assignment
The microSD card slot uses a copy of the reference voltage on pin B81 of the module
connector ST4 as I/O voltage (3.3V).
This voltage is generated on the carrierboard.